1 . The young man who saved the girl from the lake was highly praised for his good b________ .(根据首字母单词拼写)
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2 . While at table, you should pay attention to your ________ (行为). (根据汉语提示单词拼写)
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3 . She is ashamed of her foolish b_____________ in class. (根据首字母填空)
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